Home / 18,603.37-27,838.22-13,660.75

Finding the Fourth Proportional to 18,603.37, 27,838.22 and 13,660.75

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Solution

The fourth proportional to 18,603.37, 27,838.22 and 13,660.75 is: 20,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603.37 : 27,838.22 = 13,660.75 : x
  2. Step 2: Convert to fraction form
    18,603.37/27,838.22 = 13,660.75/x
  3. Step 3: Cross multiply
    18,603.37x = 27,838.22 × 13,660.75
  4. Step 4: Simplify right side
    18,603.37x = 380,290,824.67
  5. Step 5: Solve for x
    x = 380,290,824.67/18,603.37
  6. Step 6: Final answer
    x = 20,442.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.